/* ================= 基础重置 ================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ================= 自定义可爱波点纹理背景及全局 ================= */
body {
    background-color: #fff0f5; /* 极淡的粉色底色 */
    background-image:
    radial-gradient(#ffb6c1 15%, transparent 16%),
    radial-gradient(#ffb6c1 15%, transparent 16%);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    font-family: 'Nunito', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #374151; /* gray-700 */
}

/* 隐藏滚动条但保留滚动功能 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fff0f5; }
::-webkit-scrollbar-thumb { background: #ffb6c1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #ff8da1; }

/* ================= 动画效果 ================= */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}
.float-animation { animation: float 3s ease-in-out infinite; }

@keyframes bounce {
    0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8,0,1,1); }
    50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

/* ================= 布局与组件样式 ================= */
.container {
    width: 100%;
    max-width: 42rem; /* max-w-2xl */
    position: relative;
    padding: 2rem 1rem 3rem; /* pt-8 px-4 pb-12 */
    margin: auto;
}

/* 装饰猫耳 */
.cat-ear {
    position: absolute;
    top: 1rem;
    font-size: 3rem;
    z-index: 10;
}
.cat-ear.left { left: 1rem; animation-delay: 0s; }
.cat-ear.right { right: 1rem; animation-delay: 1.5s; }

/* 头部 */
.header {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: 0.5rem;
    position: relative;
    z-index: 10;
}
.main-title {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(to right, #ec4899, #fb7185); /* from-pink-500 to-rose-400 */
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: 0.025em;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
    margin-bottom: 1rem;
}
.ip-badge {
    color: #db2777; /* pink-600 */
    font-weight: 500;
    font-size: 1.125rem;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    border: 1px solid #fbcfe8; /* pink-200 */
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.ip-badge span { font-weight: bold; color: #be185d; margin-left: 0.25rem; }

/* 搜索区域 */
.search-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    width: 100%;
    position: relative;
    z-index: 10;
}
.search-input-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border-radius: 9999px;
}
.search-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: #f472b6;
    font-size: 1.25rem;
}
.search-input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 2px solid #fbcfe8; /* pink-200 */
    color: #be185d;
    padding: 1rem 1rem 1rem 3.5rem; /* px-14 py-4 */
    border-radius: 9999px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}
.search-input::placeholder { color: #f9a8d4; }
.search-input:focus { border-color: #f472b6; background-color: #ffffff; }

.search-btn {
    width: 100%;
    margin-top: 1rem;
    background: linear-gradient(to right, #f472b6, #fb7185);
    color: white;
    font-weight: bold;
    font-size: 1.125rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 9999px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}
.search-btn:hover:not(:disabled) {
    background: linear-gradient(to right, #ec4899, #f43f5e);
    box-shadow: 0 10px 15px -3px rgba(249, 168, 212, 0.5);
    transform: translateY(-2px);
}
.search-btn:active:not(:disabled) { transform: scale(0.95); }
.search-btn:disabled { opacity: 0.8; cursor: not-allowed; }

/* 结果卡片 */
.result-card {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 4px solid #fbcfe8;
    border-radius: 2.5rem;
    padding: 1.5rem;
    width: 100%;
    box-shadow: 0 10px 40px rgba(255, 182, 193, 0.5);
}
.result-list { list-style: none; display: flex; flex-direction: column; }
.result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0.5rem;
    border-bottom: 2px solid rgba(252, 231, 243, 0.6);
    border-radius: 1rem;
    transition: background-color 0.2s;
}
.result-item:last-child { border-bottom: none; }
.result-item:hover { background-color: #fdf2f8; }

.item-label { display: flex; align-items: center; gap: 1rem; }
.item-icon {
    font-size: 1.5rem;
    background-color: rgba(252, 231, 243, 0.5);
    padding: 0.5rem;
    border-radius: 50%;
    transition: transform 0.2s;
}
.result-item:hover .item-icon { transform: scale(1.1); }
.item-text { color: #ec4899; font-weight: bold; letter-spacing: 0.05em; }
.item-value { color: #374151; font-weight: 600; font-size: 1.125rem; }

/* API 提示区 */
/* 修改后的 API 提示区基础样式（默认为移动端居中） */
.api-section {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center; /* 核心修改：改为居中喵 🐾 */
    position: relative;
    z-index: 10;
    border-top: 2px dashed rgba(252, 231, 243, 0.6);
    padding-top: 1rem;
}
.api-btn {
    font-size: 0.875rem;
    color: #f472b6;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}
.api-btn:hover { color: #db2777; }
.api-btn:hover .api-icon { animation: bounce 1s infinite; }

/* ================= 弹窗 (Modal) ================= */
.modal-container {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    visibility: hidden; /* 默认隐藏 */
}
.modal-container.active { visibility: visible; }

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s;
}
.modal-container.active .modal-overlay { opacity: 1; }

.modal-content {
    background-color: white;
    border: 4px solid #fbcfe8;
    border-radius: 2rem;
    padding: 1.5rem;
    width: 100%;
    max-width: 32rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 10;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-container.active .modal-content { opacity: 1; transform: scale(1); }

.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.modal-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #f472b6, #fb7185);
    -webkit-background-clip: text;
    color: transparent;
}
.close-btn-top {
    color: #f9a8d4;
    font-size: 1.875rem;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}
.close-btn-top:hover { color: #ec4899; }

.modal-body { color: #4b5563; font-size: 0.875rem; line-height: 1.5; }
.modal-body p { margin-bottom: 1rem; }
.code-tag { background-color: #fdf2f8; color: #db2777; padding: 0.125rem 0.25rem; border-radius: 0.25rem; font-weight: bold; }
.api-url-box {
    background-color: #fdf2f8;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid #fce7f3;
    font-family: monospace;
    font-size: 0.75rem;
    color: #be185d;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    overflow-x: auto;
    margin-bottom: 1rem;
}
.json-box {
    background-color: #1e293b;
    color: #fbcfe8;
    padding: 1rem;
    border-radius: 0.75rem;
    font-family: monospace;
    font-size: 0.75rem;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    overflow-x: auto;
    line-height: 1.6;
}
.modal-footer { margin-top: 2rem; text-align: center; }
.close-btn-bottom {
    background-color: #fce7f3;
    color: #db2777;
    font-weight: bold;
    padding: 0.625rem 2rem;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.2s;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.close-btn-bottom:hover { background-color: #fbcfe8; }
.close-btn-bottom:active { transform: scale(0.95); }

/* ================= 响应式媒体查询 (对应 md:) ================= */
@media (min-width: 768px) {
    .container { padding-top: 4rem; }
    .cat-ear.left { left: 0; }
    .cat-ear.right { right: 0; }
    .main-title { font-size: 3rem; }
    .search-area { flex-direction: row; }
    .search-input { border-radius: 9999px 0 0 9999px; }
    .search-btn { width: auto; margin-top: 0; border-radius: 0 9999px 9999px 0; }
    .result-card { padding: 2.5rem; }
    .modal-content { padding: 2rem; }
    .api-section {
        justify-content: flex-end; /* 在电脑端恢复右对齐 */
    }
}

/* ================= 页脚信息区 ================= */
.footer-info {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1rem;
}

.footer-link {
    text-decoration: none;
    font-size: 0.875rem;
    color: #f472b6; /* pink-400 */
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.3s ease;
    padding: 0.4rem 0.8rem;
    border-radius: 9999px;
    background-color: transparent;
}

.footer-link:hover {
    color: #db2777; /* pink-600 */
    background-color: rgba(252, 231, 243, 0.8); /* 淡淡的粉色背景 */
    transform: translateY(-2px);
}

.footer-icon {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.footer-link:hover .footer-icon {
    transform: rotate(12deg) scale(1.2);
}

/* 适配移动端，在窄屏下垂直排列 */
@media (max-width: 480px) {
    .footer-info {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}